Find flights
When to book
Airlines
FAQs

Cheap flights from London Heathrow Airport to Cairns from £556

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — CNS
12 Jun — 19 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Cairns

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Cairns
Explore the most affordable flight options available from Heathrow to Cairns. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 May 2026.

Sun 25/1021:00
LHR
-
CNS
2 stops34h 15m
Multiple Airlines
Sun 8/1106:40
CNS
-
LHR
2 stops44h 50m
Multiple Airlines
Deal found 10/5£930
Sun 21/621:45
LHR
-
CNS
2 stops30h 10m
Multiple Airlines
Mon 21/917:25
CNS
-
LHR
2 stops46h 35m
Multiple Airlines
Deal found 10/5£999
Mon 15/621:20
LHR
-
CNS
2 stops34h 50m
Multiple Airlines
Mon 22/606:45
CNS
-
LHR
2 stops44h 55m
Multiple Airlines
Deal found 13/5£1,011
Wed 17/621:20
LHR
-
CNS
2 stops38h 40m
Multiple Airlines
Wed 8/710:15
CNS
-
LHR
2 stops41h 25m
Multiple Airlines
Deal found 11/5£1,033
Fri 5/621:20
LHR
-
CNS
2 stops50h 10m
Multiple Airlines
Fri 12/606:45
CNS
-
LHR
2 stops44h 55m
Multiple Airlines
Deal found 9/5£1,091
Tue 16/621:20
LHR
-
CNS
2 stops38h 40m
Multiple Airlines
Wed 16/906:45
CNS
-
LHR
2 stops44h 55m
Multiple Airlines
Deal found 10/5£1,092
Fri 29/521:20
LHR
-
CNS
2 stops47h 10m
Multiple Airlines
Fri 12/619:00
CNS
-
LHR
2 stops32h 40m
Multiple Airlines
Deal found 13/5£1,095
Sun 8/1108:50
LHR
-
CNS
2 stops27h 20m
Multiple Airlines
Sun 22/1106:40
CNS
-
LHR
2 stops34h 00m
Multiple Airlines
Deal found 12/5£1,102
Tue 16/621:20
LHR
-
CNS
2 stops38h 40m
Multiple Airlines
Tue 30/606:00
CNS
-
LHR
2 stops45h 40m
Multiple Airlines
Deal found 10/5£1,103
Thu 28/522:15
LHR
-
CNS
2 stops31h 45m
Multiple Airlines
Thu 16/706:00
CNS
-
LHR
2 stops33h 20m
Multiple Airlines
Deal found 12/5£1,140

Find flight deals from Heathrow to Cairns

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Cairns (CNS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 13 May 2026.

Round-trip from

£930

One-way from

£556

Popular in

July

Cheapest in

February

Average price

£1,183
25/10-8/11
  • 25/10-8/11
  • 4 total stops
  • 79h 05m total
  • London to Cairns
Search Deals
10/6
  • 10/6
  • 2 total stops
  • 41h 00m total
  • London to Cairns
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£177 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£31 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to Cairns that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 13 May 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Cairns that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Tue 1/9

11:20-17:00

1 stop20h 40m

Cairns

Sun 4/10

18:15-19:30

1 stop34h 15m

£1,179

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Wed 17/6

09:05-09:30

2 stops39h 25m

Cairns

Mon 14/9

17:25-14:25

2 stops30h 00m

£1,347

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Sat 4/7

08:25-00:50

2 stops31h 25m

Cairns

Thu 16/7

16:55-06:25

2 stops46h 30m

£1,384

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Tue 22/9

11:20-17:00

1 stop20h 40m

Cairns

Fri 2/10

19:15-05:55

2 stops43h 40m

£1,437

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Fri 14/8

09:25-17:00

1 stop46h 35m

Cairns

Sun 13/9

18:15-19:30

1 stop34h 15m

£1,546

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Thu 28/5

20:50-15:00

3 stops33h 10m

Cairns

Thu 16/7

06:00-06:35

3 stops33h 35m

£1,679

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Mon 2/11

21:45-17:20

1 stop33h 35m

Cairns

Mon 7/12

10:55-07:40

2 stops30h 45m

£1,744
Cheapest one-way

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Tue 1/9

09:30-22:40

2 stops28h 10m

£592

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Wed 26/8

09:30-12:55

2 stops42h 25m

£635

LondonCairns

LHR - CNS

LHRCNS

London Heathrow

Sat 19/9

08:25-15:55

2 stops46h 30m

£801

Flights are sorted by cheapest return flights first.

Deals found on 10/5

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

Best time to book a flight from Heathrow to Cairns

Have a flexible travel schedule? Discover the best time to fly to Cairns from Heathrow with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Cairns

How far ahead should I book a flight from London Heathrow Airport to Cairns?

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Cairns, you should look to book at least 63 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from London Heathrow Airport to Cairns?

Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Cairns (average of £1,019). Flying from London Heathrow Airport to Cairns in July is currently the most expensive (average of £1,746). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from London Heathrow Airport to Cairns?

Reviews of airlines servicing Cairns

Get insights into the airlines that provide service to Cairns. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Cairns. Reviews last updated 13 May 2026.
Get a feel of what it's like to fly with Singapore Airlines,Cathay Pacific, andQantas Airways from London Heathrow Airport to Cairns by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.2
Very Good
1,510 reviews
Check prices

Food

7.8

Overall

8.2

Boarding

8.3

Comfort

8.0

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.
Singapore Airlines
8.2
Very Good
1,510 reviews
Singapore Airlines
8.2
Very Good
1,510 reviews
Check prices

Food

7.8

Overall

8.2

Boarding

8.3

Comfort

8.0

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.
Cathay Pacific
7.6
Good
1,329 reviews
Singapore Airlines
8.2
Very Good
1,510 reviews
Check prices

Food

7.8

Overall

8.2

Boarding

8.3

Comfort

8.0

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.
Qantas Airways
7.5
Good
1,037 reviews
Singapore Airlines
8.2
Very Good
1,510 reviews
Check prices

Food

7.8

Overall

8.2

Boarding

8.3

Comfort

8.0

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Cairns. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Cairns from London Heathrow?

    Most people fly into Cairns (CNS) if they book a flight to Cairns from London Heathrow. On average, Cairns has 0 inbound flights from London Heathrow per day from 3 airlines. Cairns is conveniently located just 2.8 mi from Cairns’s city center.

  • How long is the flight from London Heathrow Airport to Cairns?

    A quick flight from London Heathrow Airport to Cairns can take about 20h 40m. Singapore Airlines provides one of the quickest options available for as low as £1,179. The distance from London Heathrow Airport to Cairns is about 9409 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines flying from London Heathrow Airport to Cairns round-trip?

    Our cheapest airline available from London Heathrow Airport to Cairns is Cathay Pacific. Our recent data shows that you can find tickets from as low as £867 on this airline. Additional options worth looking into are Singapore Airlines and Qantas Airways, starting at £957 and £1,125 round-trip. Cathay Pacific is 33% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Heathrow to Cairns that include hotel bookings?

    Yes. In addition to deals on Heathrow to Cairns flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Cairns?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Cairns.

  • Can I find deals for business class flights from Heathrow to Cairns?

    Yes. Cheapflights offers flight deals from Heathrow to Cairns by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London Heathrow Airport to Cairns?

    Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Cairns (average of £1,019). Flying from London Heathrow Airport to Cairns in July is currently the most expensive (average of £1,746). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 3 airlines flying from Heathrow to Cairns

Discover the top 3 airlines that operate flights from Heathrow to Cairns. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 13 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest£867Average£1,125FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Singapore AirlinesCheapest£957Average£1,285FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Qantas AirwaysCheapest£1,125Average£1,364FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Heathrow to Cairns?

Deals for Heathrow to Cairns flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Cairns?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Heathrow to Cairns for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Heathrow to Cairns with no change fees?

Need flexible booking options for your flight to Cairns from Heathrow? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Heathrow to Cairns become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Cairns from Heathrow today and book when prices fit your budget.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.